SUPPLEMENTARY INFORMATION:

The final determination was published in the Federal Register on September 4, 2025 (90 FR 42740).

Article 10.12 of Chapter 10 of USMCA provides a dispute settlement mechanism involving trade remedy determinations issued by the Government of the United States, the Government of Canada, and the Government of Mexico. Following a Request for Panel Review, a Binational Panel is composed to review the trade remedy determination being challenged and issue a binding Panel Decision.

There are established USMCA Rules of Procedure for Article 10.12 (Binational Panel Reviews), which were adopted by the three governments for panels requested pursuant to Article 10.12(2) of USMCA which requires Requests for Panel Review to be published in accordance with Rule 40. For the complete Rules, please see https://can-mex-usa-sec.org/​secretariat/​agreement-accord-acuerdo/​usmca-aceum-tmec/​rules-regles-reglas/​article-article-articulo_​10_​12.aspx?​lang=​eng.

The Rules provide that:

(a) A Party or interested person may challenge the final determination in whole or in part by filing a Complaint in accordance with Rule 44 no later than 30 days after the filing of the first Request for Panel Review (due to the adjusted start date, the deadline for filing a Complaint is December 15, 2025);

(b) A Party, an investigating authority or other interested person who does not file a Complaint but who intends to participate in the panel review shall file a Notice of Appearance in accordance with Rule 45 no later than 45 days after the filing of the first Request for Panel Review (due to the adjusted start date, the deadline for filing a Notice of Appearance is December 29, 2025);

(c) The panel review will be limited to the allegations of error of fact or law, including challenges to the jurisdiction of the investigating authority, that are set out in the Complaints filed in the panel review and to the procedural and substantive defenses raised in the panel review.

90 FR 52037